This step by step guide will create your own key for signing and encrypting email messages for free with The GNU Privacy Guard (GPG).
Continue reading “How to sign and encrypt email with The GNU Privacy Guard (GPG).”Category: System Administration
These are my notes, tips and howtos about system administration of information technology. If you have any feedback, feel free to contact me.
This is the procedure for how to disable the pop-up “Welcome to Block Editor” in WordPress with custom CSS code.
Continue reading “How to disable “Welcome to Block Editor” in WordPress.”This is the comprehensive procedure on how to use the FreeBSD update utility to safely upgrade the FreeBSD base system to newer minor and major releases of FreeBSD or roll it back. Tested with FreeBSD 13.4. Updated 2024-11-17.
Continue reading “How to upgrade to new minor and major releases of FreeBSD”FreeBSD themed wallpaper with the BSD daemon on dark red background for 1920×1080, 1920×1200 and 2560×1600 display resolutions.
Continue reading “FreeBSD wallpaper with BSD daemon on red background.”One of the best and free cross platform solutions for online video conferences and online meetings is Jitsi Meet.
Continue reading “Jitsi Meet: Free and open source online video conference.”The page describes, how to setup an SFTP server with OpenSSH on FreeBSD. SFTP can be used for sharing and exchanging files with clients and users. Updated 2024-07-20. Tested on FreeBSD 12.3 and 13.3.
Continue reading “SFTP server with OpenSSH on FreeBSD.”Procedure for upgrading and auditing installed packages using the built-in pkg interface in FreeBSD. Tested on FreeBSD 14.2 on 2025-04-04.
Continue reading “How to upgrade and audit packages in FreeBSD.”Marketing video production for Mercuria.
Continue reading “Video production for Mercuria.”This is how to check back links with a simple special search for your site on Google Search.
Continue reading “How to check back links with Google Search.”This page will show you how to use the command line to start Firefox with a specific window size.
Continue reading “How to start Firefox with a specific window size.”